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Answer the following question and write it on the blank provided before each number. 1. Translate in mathematical phrase: “ the sum of a number x and seven". 2. What is the exponential notation of (a)(a)(a)(b)(b)(c)? 3. In the expression 2tr, what is the variable/s? 4. Evaluate; 3xy where x=2 and y=3. 5. If x= 2, y= 3 and z= -4, find the value of 2x2 + yz. 6. According to the number of terms, what kind of polynomials is a - 2b + 3cde? 7. Add; a + b - 4c and 2a + 3b + 3c. 8. What is the difference between 2m2 + 5m + 2 and -m2-3m + 5?​

Sagot :

Answer:

For addition: 1) "more than" 2) "plus" 3) "increased by" 4) "added to" 5) "sum" For subtraction: 1) "less than" 2) "minus" 3) "decreased by" 4) "subtracted from" or "subtract" 5) "difference" For multiplication: 1) "times" 2) "double", "triple", "quadruple", etc 3) "product" For division: 1) "divided by" 2) "half", "third", "quartered", etc 3) "quotient" 4) "over" For exponents: "square" means power of 2 "cubed" means power of 3 "raised to the nth power", where n is a number For equal (indicates equation): 1) "equal" or "equal to" (=) 2) "is" (=) For inequalities (indicates comparison): 1) "less than" and "less than or equal to" (< and ≤) 2) "greater than" and "greater than or equal to" (> and ≥)

Seven more than a number is 15.

2) Five less than a number is 3.

3) Four times a number is 24.

4) A number decreased by 6 is 1.

5) A number divided by 5 is 7.

6) If 12 is subtracted from a number, the result is 88.

7) Twice a number increased by 3 is 23.

8) One half a number decreased by 2 is 5.

9) The sum of four times a number and 3 equals 35.

10) 40 increased by a number is less than 80.

11) A number decreased by 9 is greater than 11.

12) The product of 7 and 4 is not equal to 21.

13) If 6 is subtracted from 8 times a number, the result is less than 26.

14) 3 less than two times a number is more than 11.

15) Twice a number decreased by 9 is 7.

16) A number increased by 11 is 33.

17) Three times a number is 54.

18) The sum of three times a number and 4 is 19.

19) A number divided by 5 is 11 more than the number.

20) Four times a number decreased by 9 is less than 31.

21) The product of 10 and 3 is not equal to 32.

22) Twice a number increased by 3 is more than 9.

23) A number decreased by 2 is greater than 7.

24) If 17 is subtracted from 4 times a number, the result is less than 3.